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Los Alamos County Historical Household and Family Data
ACS 2010-2014 data
Total population: 17,974
| Los Alamos County | New Mexico | U.S. | |
| Total Households | 7,495, 100% | 764,684 | 116,211,092 |
| Average Household Size | 2.38, see rank | 2.66 | 2.63 |
| 1 Person Households | 2,028, 27.06%, see rank | 28.88% | 27.57% |
| 2 or More Person Households | 5,467, 72.94%, see rank | 71.12% | 72.43% |
| Family Households (Families) | 5,080, 67.78%, see rank | 65.14% | 66.22% |
| Average Family Size | 2.96, see rank | 3.42 | 3.32 |
| Married-Couple Family | 4,408, 58.81%, see rank | 45.31% | 48.42% |
| Nonfamily Households | 2,415, 32.22%, see rank | 34.86% | 33.78% |
US Census 2010 data
Total population: 17,950
| Los Alamos County | New Mexico | U.S. | |
| Total Households | 7,663, 100% | 791,395 | 116,716,292 |
| Average Household Size | 2.33, see rank | 2.55 | 2.58 |
| 1 Person Households | 2,183, 28.49%, see rank | 27.97% | 26.74% |
| 2 or More Person Households | 5,480, 71.51%, see rank | 72.03% | 73.26% |
| Family Households (Families) | 5,199, 67.85%, see rank | 65.54% | 66.43% |
| Average Family Size | 2.86, see rank | 3.13 | 3.14 |
| Married-Couple Family | 4,451, 58.08%, see rank | 45.28% | 48.42% |
| Nonfamily Households | 2,464, 32.15%, see rank | 34.46% | 33.57% |
ACS 2008-2012 data
Total population: 18,008
| Los Alamos County | New Mexico | U.S. | |
| Total Households | 7,498, 100% | 763,844 | 115,226,802 |
| Average Household Size | 2.39, see rank | 2.63 | 2.61 |
| 1 Person Households | 2,039, 27.19%, see rank | 28.53% | 27.45% |
| 2 or More Person Households | 5,459, 72.81%, see rank | 71.47% | 72.55% |
| Family Households (Families) | 5,151, 68.70%, see rank | 65.59% | 66.47% |
| Average Family Size | 2.95, see rank | 3.37 | 3.29 |
| Married-Couple Family | 4,415, 58.88%, see rank | 46.02% | 48.97% |
| Nonfamily Households | 2,347, 31.30%, see rank | 34.41% | 33.53% |
ACS 2006-2010 data
Total population: 18,091
| Los Alamos County | New Mexico | U.S. | |
| Total Households | 7,566, 100% | 756,112 | 114,235,996 |
| Average Household Size | 2.38, see rank | 2.61 | 2.59 |
| 1 Person Households | 1,971, 26.05%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 5,595, 73.95%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 5,248, 69.36%, see rank | 65.78% | 66.75% |
| Average Family Size | 2.92, see rank | 3.32 | 3.25 |
| Married-Couple Family | 4,342, 57.39%, see rank | 46.69% | 49.60% |
| Nonfamily Households | 2,318, 30.64%, see rank | 34.22% | 33.25% |
ACS 2005-2009 data
Total population: 18,431
| Los Alamos County | New Mexico | U.S. | |
| Total Households | 7,803, 100% | 736,630 | 112,611,029 |
| Average Household Size | 2.35, see rank | 2.61 | 2.60 |
| 1 Person Households | 2,017, 25.85%, see rank | 28.12% | 27.32% |
| 2 or More Person Households | 5,786, 74.15%, see rank | 71.88% | 72.68% |
| Family Households (Families) | 5,431, 69.60%, see rank | 65.84% | 66.67% |
| Average Family Size | 2.88, see rank | 3.32 | 3.27 |
| Married-Couple Family | 4,547, 58.27%, see rank | 47.05% | 49.71% |
| Nonfamily Households | 2,372, 30.40%, see rank | 34.16% | 33.33% |
US Census 2000 data
Total population: 18,343
| Los Alamos County | New Mexico | U.S. | |
| Total Households | 7,497, 100% | 677,971 | 105,480,101 |
| Average Household Size | 2.43, see rank | 2.63 | 2.59 |
| 1 Person Households | 1,869, 24.93%, see rank | 25.40% | 25.82% |
| 2 or More Person Households | 5,628, 75.07%, see rank | 74.60% | 74.18% |
| Family Households (Families) | 5,341, 71.24%, see rank | 68.81% | 68.06% |
| Average Family Size | 2.92, see rank | 3.18 | 3.14 |
| Married-Couple Family | 4,703, 62.73%, see rank | 50.42% | 51.66% |
| Nonfamily Households | 2,156, 28.76%, see rank | 31.19% | 31.94% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.